/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package com.sandrini.sandelivery.service;

import java.util.List;

import org.apache.shiro.SecurityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.sandrini.sandelivery.dao.ChatDao;
import com.sandrini.sandelivery.model.Chat;

/**
 * Default implementation of the {@link ChatService} interface. This service
 * implements operations related to Chat data.
 */
@Transactional
@Service("chatService")
public class ChatServiceImpl implements ChatService {

    private ChatDao chatDAO;

    @Autowired
    public void setChatDAO(ChatDao chatDAO) {
        this.chatDAO = chatDAO;
    }

    public Chat getCurrentChat() {
        final Long currentChatId = (Long) SecurityUtils.getSubject().getPrincipal();
        if (currentChatId != null) {
            return getChat(currentChatId);
        } else {
            return null;
        }
    }

    public void createChat(String name, String image, String email) {
        Chat chat = new Chat();
        chat.setName(name);
        chat.setEmail(email);
        chat.setImage(image);
        chatDAO.createChat(chat);
    }

    public List<Chat> getAllChats() {
        return chatDAO.getAllChats();
    }

    public Chat getChat(Long chatId) {
        return chatDAO.getChat(chatId);
    }

    public void deleteChat(Long chatId) {
        chatDAO.deleteChat(chatId);
    }

    public void updateChat(Chat chat) {
        chatDAO.updateChat(chat);
    }

}
